19993368160

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{3539}}^1$

素因数の和:3669

約数の個数: 192

約数和(自身を含む): 52411484160

約数和(自身を除く): 32418116000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 67, 68, 80, 85, 124, 134, 136, 155, 160, 170, 248, 268, 272, 310, 335, 340, 496, 527, 536, 544, 620, 670, 680, 992, 1054, 1072, 1139, 1240, 1340, 1360, 2077, 2108, 2144, 2278, 2480, 2635, 2680, 2720, 3539, 4154, 4216, 4556, 4960, 5270, 5360, 5695, 7078, 8308, 8432, 9112, 10385, 10540, 10720, 11390, 14156, 16616, 16864, 17695, 18224, 20770, 21080, 22780, 28312, 33232, 35309, 35390, 36448, 41540, 42160, 45560, 56624, 60163, 66464, 70618, 70780, 83080, 84320, 91120, 109709, 113248, 120326, 141236, 141560, 166160, 176545, 182240, 219418, 237113, 240652, 282472, 283120, 300815, 332320, 353090, 438836, 474226, 481304, 548545, 564944, 566240, 601630, 706180, 877672, 948452, 962608, 1097090, 1129888, 1185565, 1203260, 1412360, 1755344, 1865053, 1896904, 1925216, 2194180, 2371130, 2406520, 2824720, 3510688, 3730106, 3793808, 4030921, 4388360, 4742260, 4813040, 5649440, 7350503, 7460212, 7587616, 8061842, 8776720, 9325265, 9484520, 9626080, 14701006, 14920424, 16123684, 17553440, 18650530, 18969040, 20154605, 29402012, 29840848, 32247368, 36752515, 37301060, 37938080, 40309210, 58804024, 59681696, 64494736, 73505030, 74602120, 80618420, 117608048, 124958551, 128989472, 147010060, 149204240, 161236840, 235216096, 249917102, 294020120, 298408480, 322473680, 499834204, 588040240, 624792755, 644947360, 999668408, 1176080480, 1249585510, 1999336816, 2499171020, 3998673632, 4998342040, 9996684080, 19993368160]

約数ペア:

[(1, 19993368160), (2, 9996684080), (4, 4998342040), (5, 3998673632), (8, 2499171020), (10, 1999336816), (16, 1249585510), (17, 1176080480), (20, 999668408), (31, 644947360), (32, 624792755), (34, 588040240), (40, 499834204), (62, 322473680), (67, 298408480), (68, 294020120), (80, 249917102), (85, 235216096), (124, 161236840), (134, 149204240), (136, 147010060), (155, 128989472), (160, 124958551), (170, 117608048), (248, 80618420), (268, 74602120), (272, 73505030), (310, 64494736), (335, 59681696), (340, 58804024), (496, 40309210), (527, 37938080), (536, 37301060), (544, 36752515), (620, 32247368), (670, 29840848), (680, 29402012), (992, 20154605), (1054, 18969040), (1072, 18650530), (1139, 17553440), (1240, 16123684), (1340, 14920424), (1360, 14701006), (2077, 9626080), (2108, 9484520), (2144, 9325265), (2278, 8776720), (2480, 8061842), (2635, 7587616), (2680, 7460212), (2720, 7350503), (3539, 5649440), (4154, 4813040), (4216, 4742260), (4556, 4388360), (4960, 4030921), (5270, 3793808), (5360, 3730106), (5695, 3510688), (7078, 2824720), (8308, 2406520), (8432, 2371130), (9112, 2194180), (10385, 1925216), (10540, 1896904), (10720, 1865053), (11390, 1755344), (14156, 1412360), (16616, 1203260), (16864, 1185565), (17695, 1129888), (18224, 1097090), (20770, 962608), (21080, 948452), (22780, 877672), (28312, 706180), (33232, 601630), (35309, 566240), (35390, 564944), (36448, 548545), (41540, 481304), (42160, 474226), (45560, 438836), (56624, 353090), (60163, 332320), (66464, 300815), (70618, 283120), (70780, 282472), (83080, 240652), (84320, 237113), (91120, 219418), (109709, 182240), (113248, 176545), (120326, 166160), (141236, 141560)]